/* ===== page-news：批次时间线 ===== */
.page-news {
  --news-inner: 1120px;
  --news-panel: rgba(255, 255, 255, 0.07);
  --news-panel-strong: rgba(255, 255, 255, 0.12);
  --news-soft: rgba(255, 255, 255, 0.72);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 页面头部 ---------- */
.page-news .news-intro {
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.page-news .news-intro-inner {
  max-width: var(--news-inner);
  margin-inline: auto;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-news .breadcrumb a {
  color: var(--red);
  font-weight: 700;
  text-decoration: none;
}

.page-news .breadcrumb a:hover {
  text-decoration: underline;
}

.page-news .crumb-sep {
  opacity: 0.55;
}

.page-news .news-eyebrow {
  margin: var(--space-lg) 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
}

.page-news .news-intro h1 {
  margin: var(--space-sm) 0 var(--space-md);
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 5.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-news .news-lead {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .news-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-md);
}

.page-news .news-cta {
  display: inline-block;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.page-news .news-cta:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.page-news .btn-blue {
  background: var(--blue);
  color: var(--white);
}

.page-news .btn-paper {
  background: var(--white);
  color: var(--ink);
}

.page-news .news-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: var(--space-lg) 0 0;
  padding: 0;
}

.page-news .metric-cell {
  min-width: 0;
  padding: 12px 14px;
  background: var(--ink);
  color: var(--white);
  border: 3px solid var(--ink);
  box-shadow: 5px 5px 0 var(--yellow);
}

.page-news .metric-cell:nth-child(even) {
  box-shadow: 5px 5px 0 var(--blue);
}

.page-news .metric-cell dt {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.page-news .metric-cell dd {
  margin: 6px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.page-news .metric-cell dd small {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
}

/* ---------- 分区导览条 ---------- */
.page-news .section-jump {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 8px var(--space-md);
  overflow-x: auto;
  background: var(--ink);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--yellow);
}

.page-news .section-jump-inner {
  display: flex;
  gap: 10px;
  max-width: var(--news-inner);
  margin-inline: auto;
}

.page-news .section-jump a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.55);
  padding: 6px 12px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.page-news .section-jump a:nth-child(2) {
  border-color: var(--yellow);
}

.page-news .section-jump a:nth-child(3) {
  border-color: var(--orange-pulse);
}

.page-news .section-jump a:nth-child(4) {
  border-color: var(--blue);
}

.page-news .section-jump a:hover {
  background: var(--red);
  border-color: var(--red);
}

/* ---------- 章节标题 ---------- */
.page-news section[id] {
  scroll-margin-top: 76px;
}

.page-news .news-section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  row-gap: 2px;
  align-items: end;
  max-width: var(--news-inner);
  margin: 0 auto var(--space-lg);
}

.page-news .news-section-head .section-index {
  grid-row: span 2;
  align-self: start;
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 4.2rem);
  font-weight: 900;
  line-height: 0.85;
  color: var(--red);
}

.page-news .news-section-head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.page-news .news-section-head .section-sub {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-news .news-section-head-light .section-index {
  color: var(--yellow);
}

.page-news .news-section-head-light h2 {
  color: var(--white);
}

.page-news .news-section-head-light .section-sub {
  color: rgba(255, 255, 255, 0.68);
}

/* ---------- 分区底色 ---------- */
.page-news .batch-section,
.page-news .adjust-section,
.page-news .version-section,
.page-news .log-section {
  padding: var(--space-xl) var(--space-md);
}

.page-news .batch-section,
.page-news .log-section {
  background: var(--gray-blue);
  color: var(--white);
}

.page-news .adjust-section {
  background: var(--paper);
}

.page-news .version-section {
  background: var(--moss);
  color: var(--white);
}

/* ---------- 01 最近批次更新流 ---------- */
.page-news .batch-section {
  position: relative;
  isolation: isolate;
}

.page-news .batch-scrim {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.15;
  pointer-events: none;
  overflow: hidden;
}

.page-news .batch-scrim img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .batch-section > *:not(.batch-scrim) {
  position: relative;
  z-index: 1;
}

.page-news .batch-timeline {
  position: relative;
  max-width: var(--news-inner);
  margin-inline: auto;
  padding-top: 4px;
}

.page-news .batch-timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--yellow);
  opacity: 0.85;
}

.page-news .batch-node {
  position: relative;
  margin-bottom: var(--space-xl);
  padding-left: 46px;
}

.page-news .batch-node:last-child {
  margin-bottom: 0;
}

.page-news .batch-node::before {
  content: "";
  position: absolute;
  left: 5.5px;
  top: 20px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--red);
  border: 3px solid var(--paper);
  box-shadow: 0 0 0 5px rgba(231, 76, 60, 0.22);
}

.page-news .batch-node:nth-child(2)::before {
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(46, 204, 113, 0.22);
}

.page-news .batch-node:nth-child(3)::before {
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(230, 126, 34, 0.22);
}

.page-news .batch-node:nth-child(4)::before {
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(52, 152, 219, 0.22);
}

.page-news .batch-node:nth-child(5)::before {
  background: var(--purple);
  box-shadow: 0 0 0 5px rgba(142, 68, 173, 0.22);
}

.page-news .batch-node:first-child::after {
  content: "";
  position: absolute;
  left: 10.5px;
  top: 25px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange-pulse);
  animation: pageNewsPing 1.8s ease-out infinite;
}

@keyframes pageNewsPing {
  0% {
    transform: scale(1);
    opacity: 0.9;
  }
  70% {
    transform: scale(2.6);
    opacity: 0;
  }
  100% {
    transform: scale(2.6);
    opacity: 0;
  }
}

.page-news .batch-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .batch-pin {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: cover;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
}

.page-news .batch-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--red);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
}

.page-news .batch-node:nth-child(even) .batch-badge {
  background: var(--green);
}

.page-news .batch-node:nth-child(3n) .batch-badge {
  background: var(--blue);
}

.page-news .batch-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yellow);
}

.page-news .batch-list {
  display: grid;
  gap: 8px;
  margin: var(--space-md) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .batch-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 10px 12px;
  background: var(--news-panel);
  border-left: 4px solid var(--blue);
}

.page-news .batch-item:nth-child(2n) {
  border-left-color: var(--orange-pulse);
}

.page-news .batch-title {
  font-weight: 700;
  font-size: 14.5px;
  overflow-wrap: anywhere;
}

.page-news .batch-spec {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--news-soft);
}

.page-news .batch-item .tag-item {
  font-size: 11px;
  padding: 2px 8px;
}

.page-news .batch-item .status-badge {
  font-size: 11px;
  padding: 2px 8px;
}

.page-news .batch-fold {
  margin-top: 12px;
}

.page-news .batch-fold summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--yellow);
  background: var(--news-panel);
  border: 2px solid rgba(255, 255, 255, 0.35);
  transition: background 0.15s ease;
}

.page-news .batch-fold summary::-webkit-details-marker {
  display: none;
}

.page-news .batch-fold summary::before {
  content: "+";
  font-size: 16px;
  line-height: 1;
  font-weight: 900;
}

.page-news .batch-fold[open] summary {
  background: var(--news-panel-strong);
}

.page-news .batch-fold[open] summary::before {
  content: "–";
}

.page-news .fold-list {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .fold-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 13.5px;
}

.page-news .fold-name {
  font-weight: 700;
}

.page-news .fold-item .tag-item {
  font-size: 11px;
  padding: 1px 8px;
}

/* ---------- 02 分类与标签调整记录 ---------- */
.page-news .adjust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: var(--news-inner);
  margin-inline: auto;
}

.page-news .adjust-card {
  position: relative;
  min-width: 0;
  padding: var(--space-md);
  background: var(--white);
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-news .adjust-card:nth-child(even) {
  transform: rotate(0.7deg);
}

.page-news .adjust-card:nth-child(3n) {
  transform: rotate(-0.6deg);
}

.page-news .adjust-card:hover {
  transform: translate(-3px, -3px) rotate(0deg);
  box-shadow: 10px 10px 0 var(--ink);
}

.page-news .adjust-code {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--purple);
  background: rgba(142, 68, 173, 0.12);
}

.page-news .adjust-card h3 {
  margin: 12px 24px 8px 0;
  font-family: var(--font-heading);
  font-size: 1.04rem;
  font-weight: 800;
  line-height: 1.4;
}

.page-news .adjust-card p {
  margin: 0 0 4px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-news .adjust-time {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--red);
  background: var(--paper);
  border: 2px solid var(--ink);
}

/* ---------- 03 版本迭代记录 ---------- */
.page-news .version-scroller {
  display: flex;
  overflow-x: auto;
  gap: var(--space-md);
  max-width: var(--news-inner);
  margin-inline: auto;
  padding: 4px 4px var(--space-md);
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--yellow) rgba(255, 255, 255, 0.15);
}

.page-news .version-track {
  display: flex;
  gap: var(--space-md);
}

.page-news .version-node {
  position: relative;
  flex: 0 0 280px;
  scroll-snap-align: start;
  padding: var(--space-md) var(--space-md) var(--space-lg);
  background: var(--news-panel);
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
}

.page-news .version-node::before {
  content: "";
  position: absolute;
  top: 56px;
  left: calc(-1 * var(--space-md) - 3px);
  width: var(--space-md);
  height: 3px;
  background: var(--yellow);
}

.page-news .version-node:first-child::before {
  display: none;
}

.page-news .version-core {
  position: relative;
  width: 86px;
}

.page-news .version-icon {
  display: block;
  width: 80px;
  height: 80px;
  object-fit: cover;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.4);
}

.page-news .version-tag {
  position: absolute;
  right: -10px;
  bottom: -10px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  background: var(--blue);
  border: 2px solid var(--ink);
}

.page-news .node-current .version-tag {
  background: var(--orange);
}

.page-news .version-node h3 {
  margin: 18px 0 2px;
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .version-status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-news .version-points {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .version-points li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
}

.page-news .version-points li::before {
  content: "▹";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--orange-pulse);
}

/* ---------- 04 检索与筛选优化记录 ---------- */
.page-news .log-list {
  display: grid;
  gap: 10px;
  max-width: var(--news-inner);
  margin-inline: auto;
}

.page-news .log-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 16px;
  background: var(--news-panel);
  border-left: 4px solid var(--blue);
}

.page-news .log-row:nth-child(3n) {
  border-left-color: var(--yellow);
}

.page-news .log-row:nth-child(5n) {
  border-left-color: var(--orange-pulse);
}

.page-news .log-index {
  flex: 0 0 30px;
  width: 30px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 900;
  color: var(--yellow);
}

.page-news .log-icon {
  display: block;
  width: 44px;
  height: 44px;
  object-fit: cover;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.3);
}

.page-news .log-body {
  flex: 1 1 260px;
  min-width: 0;
}

.page-news .log-body h3 {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
}

.page-news .log-body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

.page-news .log-time {
  flex: 0 0 auto;
  margin-left: auto;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--orange-pulse);
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.page-news .log-row:nth-child(3n) .log-time {
  color: var(--yellow);
}

.page-news .log-row:nth-child(5n) .log-time {
  color: var(--blue);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-news .news-intro {
    padding: var(--space-xl) var(--space-lg) calc(var(--space-xl) * 1.25);
  }

  .page-news .news-intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: var(--space-lg);
    align-items: start;
  }

  .page-news .news-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
  }

  .page-news .section-jump {
    padding: 10px var(--space-lg);
  }

  .page-news .news-section-head {
    column-gap: 22px;
  }

  .page-news .batch-section,
  .page-news .adjust-section,
  .page-news .version-section,
  .page-news .log-section {
    padding: calc(var(--space-xl) * 1.4) var(--space-lg);
  }

  .page-news .batch-node {
    padding-left: 66px;
  }

  .page-news .batch-timeline::before {
    left: 23px;
  }

  .page-news .batch-node::before {
    left: 14px;
    width: 22px;
    height: 22px;
  }

  .page-news .batch-node:first-child::after {
    left: 19px;
    top: 25px;
  }

  .page-news .batch-pin {
    width: 46px;
    height: 46px;
  }

  .page-news .batch-item {
    padding: 12px 16px;
  }

  .page-news .adjust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 20px;
  }

  .page-news .version-node {
    flex-basis: 310px;
  }

  .page-news .log-row {
    padding: 16px 20px;
  }

  .page-news .log-icon {
    width: 56px;
    height: 56px;
  }

  .page-news .log-body p {
    font-size: 13.5px;
  }
}

@media (min-width: 1080px) {
  .page-news .news-intro-grid {
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: calc(var(--space-xl) * 1.4);
  }

  .page-news .version-node {
    flex-basis: 320px;
  }
}

/* ---------- 动效与无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    animation: none !important;
    transition: none !important;
  }

  .page-news .batch-node:first-child::after {
    opacity: 0;
  }

  .page-news .reveal,
  .page-news [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}